------------[ cut here ]------------ WARNING: CPU: 0 PID: 14548 at lib/iov_iter.c:274 _copy_from_iter+0x38c/0x10f0 lib/iov_iter.c:274 Modules linked in: CPU: 0 PID: 14548 Comm: syz-executor.0 Not tainted 6.8.0-rc1-syzkaller-00049-g6098d87eaf31 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:_copy_from_iter+0x38c/0x10f0 lib/iov_iter.c:274 Code: 78 fd 0f 01 cb 4c 89 f9 4c 89 f7 48 89 de e8 3b 53 1a 06 48 89 cb 0f 01 ca 4d 89 fc 49 29 cc e9 db fe ff ff e8 a5 40 20 fd 90 <0f> 0b 90 45 31 e4 e9 25 ff ff ff e8 94 40 20 fd 48 8b 14 24 4c 89 RSP: 0018:ffffc90014d77668 EFLAGS: 00010283 RAX: 0000000000005538 RBX: 0000000000000000 RCX: ffffc90004591000 RDX: 0000000000040000 RSI: ffffffff8467e1bb RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff81dfc594 R12: 00000000000000c4 R13: ffffea0000877c00 R14: ffffc90014d77880 R15: 00000000000000c4 FS: 00007efe0df526c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200002c0 CR3: 0000000021262000 CR4: 0000000000350ef0 Call Trace: copy_page_from_iter lib/iov_iter.c:441 [inline] copy_page_from_iter+0xa5/0x120 lib/iov_iter.c:430 bio_copy_from_iter block/blk-map.c:56 [inline] bio_copy_user_iov block/blk-map.c:211 [inline] blk_rq_map_user_iov+0x9e7/0x1840 block/blk-map.c:661 blk_rq_map_user block/blk-map.c:690 [inline] blk_rq_map_user_io+0x202/0x230 block/blk-map.c:723 sg_start_req drivers/scsi/sg.c:1817 [inline] sg_common_write.constprop.0+0xd61/0x1c90 drivers/scsi/sg.c:803 sg_new_write.isra.0+0x546/0xaa0 drivers/scsi/sg.c:770 sg_ioctl_common drivers/scsi/sg.c:935 [inline] sg_ioctl+0x1814/0x2760 drivers/scsi/sg.c:1160 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7efe0d27cda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efe0df520c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007efe0d3abf80 RCX: 00007efe0d27cda9 RDX: 00000000200002c0 RSI: 0000000000002285 RDI: 0000000000000003 RBP: 00007efe0d2c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007efe0d3abf80 R15: 00007ffd19ef6748